BP5034B20AC/DC converter
●Absolute Maxim um Ratings
Input voltage
Output current
ESD endurance
Operating temperature range
Storage temperature range
Parameter Symbol Limits Unit
Vi
Io
Vsurge
Topr
Tstg
195
80
2
－20 ～ +80
－25 ～ +85
V
mApk
kV
℃
℃
Unit
＊2
＊2
＊1
Conditions
V
V
mA
V
V
Vp-p
%
DC(80～138V AC)
Vi=141V, Io=50mA
Vi=141V
Vi=113～195V , Io=50mA
Vi=141V, Io=0～50mA
Vi=141V, Io=50mA
Vi=141V, Io=80mA
＊1 Maxim um output current varies depending on ambient temperature ; please refer to derating curve.
＊2 Please ref er to Load regulation, Conversion effciency.
●Electr ical Characteristics
Input voltage range
Output voltage
Output current
Line regulation
Load regulation
Output ripple voltage
Power conversion effciency
Parameter Symbol Typ. Max.Min.
Vi
Vo
Io
Vr
Vl
Vp
η
141
20.0
－
0.02
0.05
0.05
72
195
21.5
80
0.3
0.5
0.2
－
113
18.5
0
－
－
－
65
●Load Regulation
Load Regulation
21.5
21.2
20.9
20.6
20.3
20.0
19.7
19.4
19.1
18.8
18.5
200 40 60 80
(Ta=25℃, Vi=141V)
Output Current Io(mA)
O
u
t
p
u
t

V
o
l
t
a
g
e

V
o
(
V
)
●Con version Efficiency
65% Min－Line
Conversion Efficiency
80
70
60
50
40
30
20
10
0
200 40 60 80
(Ta=25℃, Vi=141V)
Output Current Io(mA)
C
o
n
v
e
r
s
i
o
n

E
f
f
i
c
i
e
n
c
y

η(
%
)
●Surf ace Temperature Rising
Surface Temperature Rising
40
30
20
10
0
200 40 60 80
(Ta=25℃, Vi=141V)
Output Current Io(mA)
T
e
m
p
e
r
a
t
u
r
e

R
i
s
i
n
g

nullT
(
℃)
●Switching F requency
Switching Frequency
140
120
100
80
60
40
20
0
200 40 60 80
(Ta=25℃, Vi=141V)
Output Current Io(mA)
S
w
i
t
c
h
i
n
g

F
r
e
q
u
e
n
c
y



f
s
w
(
k
H
z
)
●Dimension(Unit ：mm )
●Application circuit
External components setting
FUSE: Fuse Please make sure to use quic k acting fuse 0.5A
Capacitance : 3.3µF～22µF Rated v oltage : 200V or higher
Ripple current is 0.13Arms above.
Capacitance : 0.1μF～0.22μF Rated v oltage : 200V or higher
Film capacitor or ceramic capacitor. Reduce the noise terminal voltage.
The constant value should be evaluated in the set.
C1: Capacitor for input
voltage smoothing
C2: For noise terminal
voltage reduction
Capacitance : 100µF～470µF Rated v oltage : 50V or higher,
ESR is 0.39 max. Ripple current is 0.1Arms above.
Output noise voltage is influenced.Please evaluate it in the actual set.
C3: Capacitor for Output
voltage smooting
In the absolute maximum ratings, the reverse peak voltage should be
400V or higher, the average rectifying current should be 0.5A or higher ,
and the forward peak current should be 20A or higher.
（Full-w ave rectifier can be used in our part.）
D1: Rectifier diode
10 ～22 1/4W
Reduce the noise terminal voltage.The constant value should be evaluated
in set.
R1: For noise terminal
voltage reduction
Varistor must be used. It protects this part from lightning surge and static
electricity.
ZNR: Varistor
Pin No.
1
2
3
4
5
6
7
8
9
10
Function
Output terminal Vo(20V)
N.C.
N.C.
N.C.
COMMON
COMMON
N.C.
N.C.
Not used
Input terminal Vi(141VDC)
For acutual usage, Please kindly evaluate and confirm our part mounted in your product,
Especially, Please make sure to confirm the load current does not exceed Max. rated current
by using the current probe.
BP5034B20
Be sure to use fuse for safety.
AC100V input, 20V/80mA output
1
5
.
7
M
A
X
.
M
a
r
k

S
id
e
4
±1
.
0
28.2MAX. 10.0MAX.
3.5MAX.
6.5MAX.2.54×9=22.86
1　2　3　4　5　6　7　8　 　10
0.5±0.1
P=2.54±0.2
1.3±0.2
0.25±0.05
3.25MAX
●Der ating Curve
Derating Curve
Operation Range
100
90
80
70
60
50
40
30
20
10
0
0 10-30 -20 -10 20 4030 80706050 90
Ambient Temperature Ta(℃)
O
u
t
p
u
t

C
u
r
r
e
n
t

I
o
(
m
A
)
Please note that pin No.10
side is input.
＋20V
Output
Input
100µF/50V
AC100V
50Hz/60Hz
0.1µF
C2
FUSE
0.5A
110 8 7 6 5 4 3 2
＋
－
＋
－
10µF/250V
C1
ZNR
220V
R1
10 1/4W
D1
1SR35－400A
C3
1/2